We look at the division of 79669296 by 77 
The aim is to understand the frequency of 77 in 79669296.

Let's proceed to step 1:
7 divided by 77 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Bring next digit (9) of the dividend behind the 7 and repeat the process: 79 / 77

On to step 2:
When dividing 79 by 77, we get 1 with a remainder of 2.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 77 from 79 and we're left with 2.
Append the next digit (6) from the dividend to 2 and continue with: 26 / 77

Step 3:
The number 77 fits into 26 0 times, leaving a remainder of 26.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we take 0 away from 26, we end up with 26.
Append the next digit (6) from the dividend to 26 and continue with: 266 / 77

Step 4:
77 goes into 266 3 times with a remainder of 35.
Put 3 as the next digit of the answer. 
Result so far: 103.0
The remainder is 35 after subtracting 231 from 266.
Append the next digit (9) from the dividend to 35 and continue with: 359 / 77

Advancing to step 5:
The number 77 fits into 359 4 times, leaving a remainder of 51.
Put 4 as the next digit of the answer. 
Result so far: 1034.0
Subtracting 308 from 359 leaves us with 51.
Fetch the next digit (2) from the dividend, attach it to 51 and continue: 512 / 77

Moving on to step 6:
If we divide 512 by 77, we get 6 and a remainder of 50.
Put 6 as the next digit of the answer. 
Result so far: 10346.0
The remainder is 50 after subtracting 462 from 512.
Bring next digit (9) of the dividend behind the 50 and repeat the process: 509 / 77

On to step 7:
When dividing 509 by 77, we get 6 with a remainder of 47.
The number 6 becomes the next digit in our result. 
Result so far: 103466.0
Subtract 462 from 509 to get 47.
Include the next digit (6) from the dividend after 47, then repeat: 476 / 77

Let's proceed to step 8:
476 divided by 77 is 6 with a remainder of 14.
Use 6 as the next digit of our solution. 
Result so far: 1034666.0
Subtract 462 from 476 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 9:
140 divided by 77 is 1 with a remainder of 63.
The number 1 becomes the next digit in our result. 
Result so far: 1034666.1
If we subtract 77 from 140, we get 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Going ahead to step 10:
630 divided by 77 is 8 with a remainder of 14.
Put 8 as the next digit of the answer. 
Result so far: 1034666.18
The remainder is 14 after subtracting 616 from 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 11:
When dividing 140 by 77, we get 1 with a remainder of 63.
Record the quotient 1 as the next digit in the result. 
Result so far: 1034666.181
The remainder is 63 after subtracting 77 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Step 12:
77 can be fit into 630 8 times, resulting in a remainder of 14.
Put 8 as the next digit of the answer. 
Result so far: 1034666.1818
Subtracting 616 from 630 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 13:
If we divide 140 by 77, we get 1 and a remainder of 63.
Record the quotient 1 as the next digit in the result. 
Result so far: 1034666.18181
If we take 77 away from 140, we end up with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

On to step 14:
77 can be fit into 630 8 times, resulting in a remainder of 14.
Use 8 as the next digit of our solution. 
Result so far: 1034666.181818
Deduct 616 from 630 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Going ahead to step 15:
140 divided by 77 is 1 with a remainder of 63.
The next digit of our result is 1. 
Result so far: 1034666.1818181
Subtract 77 from 140 to get 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Going ahead to step 16:
When dividing 630 by 77, we get 8 with a remainder of 14.
Write down 8 as next digit of the result. 
Result so far: 1034666.18181818
Subtract 616 from 630 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

The final result is 1034666.18181818 with a remainder of 1.4e-08.